{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "phishing", "trigger": true, "arguments": ["victim", "attack pattern", "damage amount", "place", "tool", "attacker", "time"]}, {"event_type": "patch vulnerability", "trigger": true, "arguments": ["common vulnerabilities and exposures", "time", "supported platform", "patch number", "vulnerability", "vulnerable system", "releaser"]}, {"event_type": "ransom", "trigger": true, "arguments": ["payment method", "damage amount", "attacker", "price", "time", "place", "attack pattern", "victim", "tool"]}, {"event_type": "data breach", "trigger": true, "arguments": ["attack pattern", "damage amount", "number of data", "victim", "purpose", "compromised data", "time", "place"]}, {"event_type": "discover vulnerability", "trigger": true, "arguments": ["supported platform", "discoverer", "vulnerability", "vulnerable system owner", "time", "vulnerable system version", "common vulnerabilities and exposures", "vulnerable system"]}], "input": "DDoS extortionists have already pounced on the Memcached DDoS attack vector in attempts to extract payments from attacked companies ."}
{"phishing": [], "patch vulnerability": [], "ransom": [{"trigger": "payments", "arguments": {"payment method": "NAN", "damage amount": "NAN", "attacker": "extortionists", "price": "NAN", "time": "NAN", "place": "NAN", "attack pattern": "Memcached DDoS attack", "victim": "companies", "tool": "NAN"}}], "data breach": [], "discover vulnerability": []}